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Service bulletin B010520

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10177615
Published by NHTSA2020-07-27
Manufacturer's numberB010520
Manufacturer's date2020-06-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

N47T/N57T EGR COOLER LTD WTY EXTENSION TO 10 YEARS WITHOUT MILEAGE LIMIT: The vehicle demonstrates a power loss and the malfunction indicator lamp (MIL) on. The intake manifold (intake system) is found to have thermal deformation or damage. Melt through may also be found in the area of the EGR inlet and randomly around the intake system.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, EGR valve

Vehicles listed
BMW 328D2014, 2015, 2016, 2017, 2018
BMW 535D2014, 2015, 2016
BMW 740LD2015
BMW X32015, 2016, 2017
BMW X52014, 2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
18V7550002018-10-25. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B1301162018-12-10. Service bulletin. The DDE software application for exhaust gas recirculation control (EGR) does not favorably match the diesel fuel grades available in many parts of the US market. The high pressure EGR cooler could become filled with soot particulate to the point that exhaust gas flow and cooling efficiency are significantly reduced. This could result in the Service Engine Soon light coming on with EGR control / Air mass faults being stored in the DDE.
1113142018-11-13. Service bulletin. N57T Diesel with Fault Code 29EB00: EGR Cooling Plausibility. The Service Engine Soon lamp is on (MIL) with the following fault stored in the DDE: 29EB00 - EGR cooling, plausibility: Exhaust-gas recirculation cooler bypass flap faulty or cooler efficiency too low CAUSE Unfavorable DDE software.
B1302162018-11-05. Service bulletin. DDE FAULT CODE 290900 AFTER PROGRAMMING. The engine has a hesitation and the Service Engine Soon lamp is on after programming the vehicle to an Integration level of 16-07-500. The following fault code may be stored: 290900 - Air system, air to EGR exhaust mass flow plausibility Unfavorable DDE software application The fault will be stored if terminal 15 is switched on, and then off, without starting the engine.